/* General Layout */
body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #f8f9fa;
    color: #333;
}

.container {
    display: flex;
    height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background: #ffffff;
    border-right: 1px solid #ddd;
    padding: 20px;
    box-shadow: 2px 0 5px rgba(0,0,0,0.05);
    overflow-y: auto;
}

.sidebar h2 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #444;
}

#template-list {
    list-style: none;
    padding: 0;
}

#template-list li {
    margin: 10px 0;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 5px;
    transition: background 0.2s;
}

#template-list li:hover, #template-list li.active {
    background: #e0f0ff;
    color: #007bff;
}

/* Content */
.content {
    flex: 1;
    padding: 30px;
    overflow-y: auto;
}

#slide {
    background: #ffffff;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

#slide-title {
    margin-top: 0;
    font-size: 28px;
    color: #222;
}

#slide-purpose {
    font-size: 18px;
    margin-bottom: 20px;
    color: #555;
}

.section {
    margin-top: 20px;
}

.section h3 {
    margin-bottom: 8px;
    font-size: 18px;
    color: #555;
}

pre {
    background: #f1f3f5;
    padding: 12px;
    border-radius: 5px;
    overflow-x: auto;
}

/* Navigation Buttons */
.navigation {
    margin-top: 30px;
    text-align: center;
}

.navigation button {
    background: #007bff;
    color: #fff;
    border: none;
    padding: 12px 20px;
    margin: 0 10px;
    font-size: 16px;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s;
}

.navigation button:hover {
    background: #0056b3;
}